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From "Alexey Diomin (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (BEAM-1273) Error with FlinkPipelineOptions serialization after setStateBackend
Date Mon, 16 Jan 2017 10:46:26 GMT

     [ https://issues.apache.org/jira/browse/BEAM-1273?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Alexey Diomin reassigned BEAM-1273:
-----------------------------------

    Assignee: Alexey Diomin  (was: Aljoscha Krettek)

> Error with FlinkPipelineOptions serialization after setStateBackend
> -------------------------------------------------------------------
>
>                 Key: BEAM-1273
>                 URL: https://issues.apache.org/jira/browse/BEAM-1273
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-flink
>            Reporter: Alexey Diomin
>            Assignee: Alexey Diomin
>
> Trying setup FlinkPipelineOptions.setStateBackend cause error:
> {code}
> Caused by: com.fasterxml.jackson.databind.JsonMappingException: Can not construct instance
of org.apache.flink.runtime.state.AbstractStateBackend: abstract types either need to be mapped
to concrete types, have custom deserializer, or contain additional type information.
> {code}
> Exception was thrown in SerializedPipelineOptions.
> Main problem then AbstractStateBackend and their implementation can't be mapped in JSON
schema for serialization.
> Error starting after:
> [BEAM-617][flink] introduce option to set state backend



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